If You Wanted to Cause a Voltage-Gated Channel in a Cell

question 238

Multiple Choice

If you wanted to cause a voltage-gated channel in a cell membrane to open, what might you use for a stimulus?

• A) A drug applied to the bathing medium
• B) An electrical current applied to the membrane
• C) Pressure on the membrane
• D) Increased concentration of Na⁺ in the extracellular fluid
• E) Increased concentration of K⁺ in the intracellular fluid

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